initial commit

django/db/migrations/operations/fields.pyi

@@ -0,0 +1,141 @@
+from django.db.backends.sqlite3.schema import DatabaseSchemaEditor
+from django.db.migrations.operations.base import Operation
+from django.db.migrations.operations.models import (
+    AlterUniqueTogether,
+    DeleteModel,
+)
+from django.db.migrations.state import ProjectState
+from django.db.models.fields import (
+    CharField,
+    Field,
+    IntegerField,
+    SlugField,
+)
+from typing import (
+    Any,
+    Dict,
+    List,
+    Optional,
+    Tuple,
+    Union,
+)
+
+
+class AddField:
+    def __init__(
+        self,
+        model_name: str,
+        name: str,
+        field: Field,
+        preserve_default: bool = ...
+    ) -> None: ...
+    def database_backwards(
+        self,
+        app_label: str,
+        schema_editor: DatabaseSchemaEditor,
+        from_state: ProjectState,
+        to_state: ProjectState
+    ) -> None: ...
+    def database_forwards(
+        self,
+        app_label: str,
+        schema_editor: DatabaseSchemaEditor,
+        from_state: ProjectState,
+        to_state: ProjectState
+    ) -> None: ...
+    def deconstruct(self) -> Any: ...
+    def describe(self) -> str: ...
+    def reduce(
+        self,
+        operation: Operation,
+        in_between: List[AddField],
+        app_label: Optional[str] = ...
+    ) -> Union[bool, List[AddField]]: ...
+    def state_forwards(self, app_label: str, state: ProjectState) -> None: ...
+
+
+class AlterField:
+    def __init__(
+        self,
+        model_name: str,
+        name: str,
+        field: Field,
+        preserve_default: bool = ...
+    ) -> None: ...
+    def database_backwards(
+        self,
+        app_label: str,
+        schema_editor: DatabaseSchemaEditor,
+        from_state: ProjectState,
+        to_state: ProjectState
+    ) -> None: ...
+    def database_forwards(
+        self,
+        app_label: str,
+        schema_editor: DatabaseSchemaEditor,
+        from_state: ProjectState,
+        to_state: ProjectState
+    ) -> None: ...
+    def deconstruct(
+        self
+    ) -> Union[Tuple[str, List[Any], Dict[str, Union[str, SlugField]]], Tuple[str, List[Any], Dict[str, Union[str, CharField]]], Tuple[str, List[Any], Dict[str, Union[str, IntegerField]]]]: ...
+    def describe(self) -> str: ...
+    def reduce(
+        self,
+        operation: Union[DeleteModel, AlterField, AlterUniqueTogether],
+        in_between: List[Any],
+        app_label: str = ...
+    ) -> bool: ...
+    def state_forwards(self, app_label: str, state: ProjectState) -> None: ...
+
+
+class FieldOperation:
+    def __init__(self, model_name: str, name: str) -> None: ...
+    def is_same_field_operation(self, operation: FieldOperation) -> bool: ...
+    def is_same_model_operation(self, operation: FieldOperation) -> bool: ...
+    @cached_property
+    def model_name_lower(self) -> str: ...
+    @cached_property
+    def name_lower(self) -> str: ...
+    def reduce(
+        self,
+        operation: Operation,
+        in_between: Any,
+        app_label: str = ...
+    ) -> bool: ...
+    def references_field(self, model_name: str, name: str, app_label: Optional[str] = ...) -> bool: ...
+    def references_model(self, name: str, app_label: Optional[str] = ...) -> bool: ...
+
+
+class RemoveField:
+    def database_backwards(
+        self,
+        app_label: str,
+        schema_editor: DatabaseSchemaEditor,
+        from_state: ProjectState,
+        to_state: ProjectState
+    ) -> None: ...
+    def database_forwards(
+        self,
+        app_label: str,
+        schema_editor: DatabaseSchemaEditor,
+        from_state: ProjectState,
+        to_state: ProjectState
+    ) -> None: ...
+    def deconstruct(self) -> Tuple[str, List[Any], Dict[str, str]]: ...
+    def describe(self) -> str: ...
+    def state_forwards(self, app_label: str, state: ProjectState) -> None: ...
+
+
+class RenameField:
+    def __init__(self, model_name: str, old_name: str, new_name: str) -> None: ...
+    def deconstruct(self) -> Tuple[str, List[Any], Dict[str, str]]: ...
+    @cached_property
+    def old_name_lower(self) -> str: ...
+    def reduce(
+        self,
+        operation: Union[FieldOperation, AlterUniqueTogether],
+        in_between: List[Any],
+        app_label: Optional[str] = ...
+    ) -> Union[bool, List[RenameField]]: ...
+    def state_forwards(self, app_label: str, state: ProjectState) -> None: ...